Finding the Third Proportional to 766,110 and 1,212,516

Step by Step Solution

1. Step 1: Write the proportion equation
   766,110 : 1,212,516 = 1,212,516 : x
2. Step 2: Convert to fraction form
   766,110/1,212,516 = 1,212,516/x
3. Step 3: Cross multiply
   766,110x = 1,212,516 × 1,212,516
4. Step 4: Simplify right side
   766,110x = 1,470,195,050,256
5. Step 5: Solve for x
   x = 1,470,195,050,256/766,110
6. Step 6: Final answer
   x = 1,919,039.11